1. Without prejudice to Article 20, Member States may lay down rules enabling their competent authorities to close an investigation concerning an alleged breach of this Regulation, following a settlement agreement in order to put an end to the alleged breach and its consequences before formal sanctioning proceedings are started.
2. Member States may lay down rules enabling their competent authorities to close an investigation concerning an established breach through an expedited enforcement procedure in order to achieve a swift adoption of a decision aiming at imposing an administrative sanction or administrative measure.
The empowerment of competent authorities to settle or open expedite enforcement procedures does not affect the obligations upon Member States under Article 20.
3. Where Member States lay down the rules referred to in paragraph 1, they shall notify the Commission of the relevant laws, regulations and administrative provisions regulating the exercise of powers referred
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